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Finding the Fourth Proportional to 60,664.78, 91,004.46 and 57,347.02

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Solution

The fourth proportional to 60,664.78, 91,004.46 and 57,347.02 is: 86,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,664.78 : 91,004.46 = 57,347.02 : x
  2. Step 2: Convert to fraction form
    60,664.78/91,004.46 = 57,347.02/x
  3. Step 3: Cross multiply
    60,664.78x = 91,004.46 × 57,347.02
  4. Step 4: Simplify right side
    60,664.78x = 5,218,834,587.71
  5. Step 5: Solve for x
    x = 5,218,834,587.71/60,664.78
  6. Step 6: Final answer
    x = 86,027.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.